BMW 3 of the E46 series

since 1998 release

Repair and operation of the car



BMW 3 of the E46 series
+ BMW 3 Cars (E46)
+ Current leaving and service
+ Engine
+ Cooling systems, heating
+ Power supply systems, injection and release
+ Electric equipment of the engine
+ RKPP and transmission line
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
- Suspension bracket and steering
   + Forward suspension bracket
   - Back suspension bracket
      Removal and installation of the back shock-absorber
      Removal and installation of springs of a suspension bracket
   + the Steering with the hydraulic booster (servoupravleniye)
+ Body
+ Onboard electric equipment
+ Schemes of electric equipment


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Back suspension bracket

Suspension bracket of back wheels

1 — a screw spring
2 — the stabilizer of cross stability
3 — differential
4 — a beam
5 — the shock-absorber

6 — a support
7 — the longitudinal lever
8 — the lower cross lever
9 — the top cross lever
10 — a brake disk


The BMW car of the 3rd series has an independent suspension bracket of each back wheel with the central lever. Each back wheel goes three levers: two cross and one longitudinal. Cross levers are connected with the longitudinal lever and a beam of an axis. The longitudinal lever is fixed by bolts through a rubber support in front to the body bottom. On a beam the differential is fixed. All elements of a back suspension bracket have the elastic and not demanding service rubber support that reduces transfer of the fluctuations resulting from impact of the road and the power unit, on salon with passengers.

Podressorivaniye of the car is carried out by means of screw springs and shock-absorbers. Stability of the car on turns is carried out by the stabilizer of cross stability.

The torque from the engine and RKPP is transferred to back wheels via the driveshaft, differential and power shafts.

Carrying out welding and leveling works on elements of a back suspension bracket is not allowed. The self-stopped nuts, and also rusty bolts / nuts during repair are surely replaced with the new.